----- What about going to the South Lake for a picnic next weekend?
----- OK. But I’m not sure ________ it will rain.
A.why | B.where | C.when | D.whether |
----- What about going to the South Lake for a picnic next weekend?
----- OK. But I’m not sure ________ it will rain.
A.why | B.where | C.when | D.whether |